Kowa Mirai's ' "Nothing Matters... I promise." was released on its scheduled release date, March 1, 2024. Nothing Matters... I promise. is explicit and may not be suitable for children. With the duration being about 3:34, this song is close to the average duration of a typical track. Because this song is the only song in Nothing Matters... I promise. and no other songs are present in the album, we classify this track as a single. Based on our statistics, Nothing Matters... I promise.'s popularity is not that popular right now. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.

Nothing Matters... I promise. テンポ

With Nothing Matters... I promise. by Kowa Mirai having a テンポ of 120 with a half-time of 60 テンポ and a double-time of 240 テンポ, we would consider this track to have a Moderato (at a moderate speed) tempo marking. Because of this, we believe that the song has an overall fast tempo. Looking at the テンポ of this song, this song might go great with walking. The time signature for this track is 4/4.

Nothing Matters... I promise. キー

This song is in the music key of B Major. This also means that this song has a camelot key of 1B. So, the perfect camelot match for 1B would be either 1B or 2A. While, 2B can give you a low energy boost. For moderate energy boost, you would use 10B and a high energy boost can either be 3B or 8B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 1A or 12B will give you a low energy drop, 4B would be a moderate one, and 11B or 6B would be a high energy drop. Lastly, 10A allows you to change the mood.